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Finding the Fourth Proportional to 324,878.92, 487,071.42 and 224,773

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Solution

The fourth proportional to 324,878.92, 487,071.42 and 224,773 is: 336,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,878.92 : 487,071.42 = 224,773 : x
  2. Step 2: Convert to fraction form
    324,878.92/487,071.42 = 224,773/x
  3. Step 3: Cross multiply
    324,878.92x = 487,071.42 × 224,773
  4. Step 4: Simplify right side
    324,878.92x = 109,480,504,287.66
  5. Step 5: Solve for x
    x = 109,480,504,287.66/324,878.92
  6. Step 6: Final answer
    x = 336,988.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.